Pyrrolizidine (PAs)

Pyrrolizidine and tropane alkaloids are secondary plant substances, which are produced by certain plants to protect their selves against herbivores. There are around 600 known pyrrolizidine alkaloids (PAs) including their N-oxides and more than 200 different known tropane alkaloids (TAs).In high contantrations PAs and TAs can have a negative effect on health.

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Welcome to our Wesenberg homepage!

Since 1957 company Felix P. Wesenberg is your first address for import and export of high class tea. Mr Felix Paul Wesenberg founded this traditional family business which becomes a global player in second generation. We combine the tradition of enjoying tea with the modern logistic of a global world.


Our partner company H.C.Buhle

H.C.Buhle Warenhandels GmbH is founded in 1889. The company is well known all over the world  as an authentic Importer and Exporter for high class tea.

Company Buhle is specialised in tea blending, flavouring and packing and is very proud to provide the opportunity to create your individual tea blends.

Please discover the comprehansive range of tea from Buhle and please don't hesitate to contact them if you are interested in developing new  creations.